.introduce{
    width: 100%;
    height: 8rem;
    font-size: 3rem;
    display: flex;
    justify-content: space-around;
    align-items: center;
    border-bottom: 1px solid #eee;
}
.introduce>li{
    display: flex;
    justify-content: center;
    align-items: center;
}
.introduce>li div{
   width: 3rem;
   height: 3rem;
   margin-right: 1rem;
}
.introduce>li:first-child div{
    background: url('../../../../assets/icon/新鲜.png') center no-repeat;
    background-size: cover;
}
.introduce>li:nth-child(2) div{
   background: url('../../../../assets/icon/健康.png') center no-repeat;
   background-size: cover;
}
.introduce>li:last-child div{
   background: url('../../../../assets/icon/方便.png') center no-repeat;
   background-size: cover;
}